15381884

素因数分解:

$2^2\times 7^2\times {\mathrm{78479}}^1$

素因数の和:78497

約数の個数: 18

約数和(自身を含む): 31313520

約数和(自身を除く): 15931636

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 78479, 156958, 313916, 549353, 1098706, 2197412, 3845471, 7690942, 15381884]

約数ペア:

[(1, 15381884), (2, 7690942), (4, 3845471), (7, 2197412), (14, 1098706), (28, 549353), (49, 313916), (98, 156958), (196, 78479)]